Table 1 Gene classification of Rhizobiales.
| Â | In comparison with the Sinorhizobium meliloti chromosome | ||||||
|---|---|---|---|---|---|---|---|
| Â | At-C | At-L | At | Ml | Bm-I | Bm-II | Bm |
Genes in chromosome (length in Mb) | 2721(2.84) | 1833(2.07) | 4554(4.92) | 6750(7.04) | 2059(2.12) | 1139(1.18) | 3198(3.30) |
Chromosomal orthologs (% of chr. genes) | 1737(63.8) | 478(26.1) | 2215(48.6) | 2279(33.8) | 1310(63.6) | 415(36.4) | 1725(53.9) |
Syntenic genes (% of chr. orthologs) | 1480(85.2) | 357(74.7) | 1837(82.9) | 1624(71.3) | 1039(79.3) | 272(65.5) | 1311(76.0) |
Nonsyntenic genes (% of chr. orthologs) | 257(14.8) | 121(25.3) | 378(17.1) | 655(28.7) | 271(20.7) | 143(34.5) | 414(24.0) |
Microsyntenic regions | 160 | 45 | 205 | 227 | 132 | 41 | 173 |
Syntenic genes in regions (% of synt. genes) | 1394(94.2) | 325(91.0) | 1719(93.6) | 1428(87.9) | 965(92.9) | 230(84.6) | 1195(91.1) |
Plasmidic homologs (% of chr. genes) | 159(5.8) | 490(26.7) | 649(14.2) | 924(13.7) | 70(3.4) | 134(11.8) | 204(6.4) |
Homologs in rest of Rhizobiales (% of chr. genes) | 459(16.9) | 523(28.5) | 982(21.6) | 1724(25.5) | 349(16.9) | 368(32.3) | 717(22.4) |
Species specific genes (% of chr. genes) | 366(13.4) | 342(18.7) | 708(15.5) | 1823(27.0) | 330(16.0) | 222(19.5) | 552(17.3) |
Operons (except homologs in rest of Rhizobiales) | 527 | 336 | 863 | 1140 | 353 | 192 | 545 |
Syntenic operons (% of operons) | 282(53.5) | 68(20.2) | 350(40.6) | 259(22.7) | 168(47.6) | 43(22.4) | 211(38.7) |
Nonsyntenic operons (% of operons) | 7(1.3) | 0 | 7(0.8) | 12(1.0) | 8(2.3) | 3(1.6) | 11(2.0) |
Plasmidic operons (% of operons) | 15(2.8) | 47(14.0) | 62(7.2) | 88(7.7) | 1(0.3) | 9(4.7) | 10(1.8) |
Species specific operons (% of operons) | 26(4.9) | 27(8.0) | 53(6.1) | 150(13.2) | 20(5.7) | 14(7.3) | 34(6.2) |
Mixed operons (% of operons) | 197(37.4) | 194(57.7) | 391(45.3) | 631(55.3) | 156(44.2) | 123(64.1) | 279(51.2) |